Brass plates for unit markings

[DonVoigt]

Originally Posted by Curss

Do people still use tin/lead solder?

Of course! Every plummer needs something for repairing copper pipes; and in electronic/electric repair; and in gunsmithing.
Tin/lead is the choice -f you have some left;.

Lead is frowned on now and has been replaced with another low melting metal and the solder does not work as well as a result. JMHO.

But in the "Dutch" case we are talking about more than 70 years ago so it was the soft solder that was available.